dont know much about this but when chico hasnt had enough sleep he changes into phsyco bird and does his arrow impression. point his body straight at whoever is nearest and tries to bite. gets really possesive over cage and toys. i had to take him away from everything and be really calm and talk softly to him. it worked cause he wanted a neck scratch afterwards. does anyone else experience this behaviour?. is that the way to deal with it? . early night tonight.